Menu

Home Learn News Ask the Atlas

Explore

Technologies Diseases Treatments Clinical Trials Companies Scientists Genes Research Institutions

Beyond medicine

Agriculture Ethics Investing World map

Learn & Tools

Start here Glossary A–Z Compare technologies Timeline Lists & Rankings AI Agents ★ Saved API

About

About us Methodology Data Sources Editorial Policy Contact Disclaimers

🧭 Guided View
New to genetics? We explain every term as you browse, in plain English. Same pages, with the help built in.

⚡ Expert View
You already know the biology. Just the content — clean and compact, no extra explanations. This is the default view.

Interface language

Light mode

Term · Genetics

Insertion

The addition of one or more DNA letters into a sequence.

Written by The CRISPR Atlas editorial team Last updated Aug 19, 2026

Educational information only This page is a reference, not medical advice. Research and regulatory status change; check the last-updated date above and confirm anything important against the primary sources listed.